Podcast
Questions and Answers
What is the difference between pharyngeal clefts and pharyngeal pouches?
What is the difference between pharyngeal clefts and pharyngeal pouches?
- Pharyngeal clefts and pouches are both internal grooves between two arches
- Pharyngeal clefts are external grooves and pharyngeal pouches are internal grooves between two arches (correct)
- Pharyngeal clefts are internal grooves and pharyngeal pouches are external grooves between two arches
- Pharyngeal clefts and pouches are both external grooves between two arches
Which part of the first pharyngeal arch becomes the future maxilla, zygomatic bone and part of the temporal bone?
Which part of the first pharyngeal arch becomes the future maxilla, zygomatic bone and part of the temporal bone?
- Mandibular prominence
- Meckel's cartilage
- Reichert cartilage
- Maxillary prominence (correct)
What does the ventral part of the first arch cartilage form?
What does the ventral part of the first arch cartilage form?
- The lesser cornu of the hyoid bone
- The horseshoe-shaped primordium of the mandible (correct)
- The malleus and incus
- The styloid process and stylohyoid ligament
What does the dorsal end of the second arch cartilage (Reichert cartilage) contribute to?
What does the dorsal end of the second arch cartilage (Reichert cartilage) contribute to?
What structure does Meckel's cartilage give rise to?
What structure does Meckel's cartilage give rise to?
What happens to the middle section of the first arch cartilage?
What happens to the middle section of the first arch cartilage?
Which structures arise from the paraxial mesoderm during head and neck development?
Which structures arise from the paraxial mesoderm during head and neck development?
What is the origin of the laryngeal cartilages and connective tissue within the laryngeal region?
What is the origin of the laryngeal cartilages and connective tissue within the laryngeal region?
Which of the following structures originate from neural crest cells during head and neck development?
Which of the following structures originate from neural crest cells during head and neck development?
What is the source of the ectodermal placodes during head and neck development?
What is the source of the ectodermal placodes during head and neck development?
Which structures in the head and neck region arise from the migration of neural crest cells?
Which structures in the head and neck region arise from the migration of neural crest cells?
What is the term used to describe the mesenchymal growths that form the pharyngeal arches?
What is the term used to describe the mesenchymal growths that form the pharyngeal arches?
Which pharyngeal arch cartilage forms the greater cornu of the hyoid bone?
Which pharyngeal arch cartilage forms the greater cornu of the hyoid bone?
From which type of cells do the epiglottic and thyroid cartilages appear to develop?
From which type of cells do the epiglottic and thyroid cartilages appear to develop?
Which muscles do myoblasts from the first pharyngeal arch give rise to?
Which muscles do myoblasts from the first pharyngeal arch give rise to?
Which muscles do myoblasts from the second pharyngeal arch give rise to?
Which muscles do myoblasts from the second pharyngeal arch give rise to?
Which muscle does myoblasts of the 3rd pharyngeal arch give rise to?
Which muscle does myoblasts of the 3rd pharyngeal arch give rise to?
What is the main component that makes up pharyngeal arches?
What is the main component that makes up pharyngeal arches?
Which artery does the 3rd pharyngeal arch give rise to?
Which artery does the 3rd pharyngeal arch give rise to?
At the end of the 4th week, how many pairs of pharyngeal arches are formed?
At the end of the 4th week, how many pairs of pharyngeal arches are formed?
What does pharyngeal pouch and pharyngeal cleft completely regress in humans?
What does pharyngeal pouch and pharyngeal cleft completely regress in humans?
Which structure will the ectoderm in the lateral aspect of pharyngeal arches contribute to?
Which structure will the ectoderm in the lateral aspect of pharyngeal arches contribute to?
Which artery does aortic arch 6 become?
Which artery does aortic arch 6 become?
What structures are derived from the first arch?
What structures are derived from the first arch?
Which cranial nerve is associated with the second arch?
Which cranial nerve is associated with the second arch?
What does the third pharyngeal pouch give rise to?
What does the third pharyngeal pouch give rise to?
Which artery is derived from the fourth arch?
Which artery is derived from the fourth arch?
What muscles are associated with the sixth arch?
What muscles are associated with the sixth arch?
Which bone is part of the skeletal structures derived from the first arch?
Which bone is part of the skeletal structures derived from the first arch?
What nerve is associated with the third arch?
What nerve is associated with the third arch?
